03/14/2012 01:28 pm ET Updated Mar 14, 2012

Pi Day 2012 (SLIDESHOW)

Pi Day is upon us.

March 14 is the day we celebrate the symbol for the ratio of the circumference of a circle to its diameter.

According to Pi has been calculated to over 1 trillion digits past the decimal point, though most people probably recognize it as 3.14, hence 3/14 is the day we celebrate it.

Check out all the different ways people are celebrating the famous number, and a few other tasty morsels of Pi in the slideshow below.

Pi Day